Compound for organic optoelectronic diode, composition for organic optoelectronic diode, organic optoelectronic diode, and display device

Abstract

a compound for an organic optoelectronic device represented by a combination of Chemical Formula 1 and 2, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device.Details of Chemical Formulas 1 and 2 are as described in the specification.

The invention claimed is: 
     
         1 . A composition for an organic optoelectronic device, the composition comprising:
 a first compound for an organic optoelectronic device represented by Chemical Formula 1a-2-1, and   a second compound for an organic optoelectronic device represented by Chemical Formula 4C:   
       
         
           
           
               
               
           
         
         wherein, in Chemical Formula 1a-2-1, 
         X is O or S, 
         R a3 , R a4 , R 1  to R 3 , and R 5  to R 8  are independently hydrogen, deuterium, a cyano group, a halogen, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, or a combination thereof, 
         Z 1  to Z 5  are independently N or C—R b , 
         at least one of Z to Z 5  is N, 
         R b  is independently hydrogen, deuterium, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, or a combination thereof, 
         the moiety represented by 
       
       
         
           
           
               
               
           
         
          is a group of Group I, and 
       
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         the “substituted” of Chemical Formula 1a-2-1 refers to replacement of at least one hydrogen by deuterium, a cyano group, a C1 to C10 alkyl group, or a C6 to C20 aryl group; and 
       
       
         
           
           
               
               
           
         
         wherein, in Chemical Formula 4C, 
         Y 1  and Y 2  are independently a substituted or unsubstituted C6 to C20 aryl group or a substituted or unsubstituted C2 to C30 heterocyclic group, provided that at least one of Y 1  and Y 2  is a substituted or unsubstituted naphthyl group, 
         Lg 1 , Lg 2 , L 1 , and L 2  are independently a single bond or a substituted or unsubstituted C6 to C20 arylene group, 
         Rg 1 , Rg 2 , and R 15  to R 18  are independently hydrogen, deuterium, a cyano group, a halogen, a substituted or unsubstituted amine group, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, or a substituted or unsubstituted C2 to C30 heterocyclic group, and 
         the “substituted” of Chemical Formula 4C refers to replacement of at least one hydrogen by deuterium, a cyano group, a C1 to C5 alkyl group, or a C6 to C18 aryl group. 
       
     
     
         2 . The composition for an organic optoelectronic device of  claim 1 , wherein the first compound is a compound of Group 1: 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
     
     
         3 . The composition for an organic optoelectronic device of  claim 1 ,
 wherein, in Chemical Formula 4C:   Y 1  and Y 2  are independently a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted pyridinyl group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group, provided that at least one of Y 1  and Y 2  is a substituted or unsubstituted naphthyl group,   and   R g1 , R g2 , and R 15  to R 18  are independently hydrogen, deuterium, a cyano group, a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted pyridinyl group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group.   
     
     
         4 . A organic optoelectronic device, comprising:
 an anode and a cathode facing each other, and   at least one organic layer disposed between the anode and the cathode,   wherein the at least one organic layer comprises the composition for an organic optoelectronic device of  claim 1 .   
     
     
         5 . The organic optoelectronic device of  claim 4 , wherein:
 the at least one organic layer comprises a light emitting layer, and   the light emitting layer comprises the composition for an organic optoelectronic device.   
     
     
         6 . A display device comprising the organic optoelectronic device of  claim 4 .